Flight Netaji Subhas Chandra Bose International Airport departs from Kolkata Netaji Subhas Chandra Bose International Airport at 15:20 and arrives at Delhi Indira Gandhi International Airport at 17:45.
The flighttime is about 2h 25m. The distance travelled ("as the bird flies"): 1262 Km. So the average speed is roughly 522 Km.
The best day to arrive at Kolkata is Friday and it would be best to avoid Saturday, as prices are on average 126.73% higher than on Friday. (Average prices, based on 1566086 datapoints.)
We have a lot more statistics for flights SG 254 and between Kolkata and Delhi.